(5ху-3х+2ху)(2х-ху-4у)

Question

(5ху-3х+2ху)(2х-ху-4у)

Answer 1

10x²y-5x²y²-20xy²-6x²+3xy-2x²y²-20xy²+12xy-8xy²=10x²y-7x²y²-28xy²-17xy-6x²

Answer 2

10(x^2)*y-5(x^2)*(y^2)-20(x)*(y^2)-6(x^2)-3(x^2)*(y)+12*x*y-20(x)*(y^2)+12*x*y-8(x)*(y^2)=7*(x^2)*y-48x*(y^2)-5(x^2)*(y^2)-6(x^2)-12*x*y